57409780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 123197760

約数和(自身を除く): 65787980

約数列:

[1, 2, 4, 5, 10, 20, 107, 139, 193, 214, 278, 386, 428, 535, 556, 695, 772, 965, 1070, 1390, 1930, 2140, 2780, 3860, 14873, 20651, 26827, 29746, 41302, 53654, 59492, 74365, 82604, 103255, 107308, 134135, 148730, 206510, 268270, 297460, 413020, 536540, 2870489, 5740978, 11481956, 14352445, 28704890, 57409780]

約数ペア:

[(1, 57409780), (2, 28704890), (4, 14352445), (5, 11481956), (10, 5740978), (20, 2870489), (107, 536540), (139, 413020), (193, 297460), (214, 268270), (278, 206510), (386, 148730), (428, 134135), (535, 107308), (556, 103255), (695, 82604), (772, 74365), (965, 59492), (1070, 53654), (1390, 41302), (1930, 29746), (2140, 26827), (2780, 20651), (3860, 14873)]